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A to Z: Hemangioma

A to Z: Hemangioma

A hemangioma (he-man-jee-OH-muh) is a type of birthmark. Tiny blood vessels build up in an area of skin, giving it a red or purple appearance.

More to Know

Hemangiomas develop on the skin of babies before birth or in the first few months of life. These birthmarks can be very small or quite large and are most often found on the face, scalp, or back of the neck. They start out as flat red marks and develop rapidly into raised lesions within the first year. Over time they begin to fade, often disappearing completely when kids are between 5 and 10 years old.

Keep in Mind

Hemangiomas don't hurt and are generally best left alone to dissolve on their own. When they affect eyesight or present other health problems, treatment options such as laser surgery or corticosteroid medications may be recommended.

All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.